package com.lq.schoolshop.service.impl;

import com.lq.schoolshop.pojo.PayReciveModel;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import javax.servlet.http.HttpServletResponse;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * @Author
 * @Date2021/1/14 16:07
 * @Version V1.0
 * 为什么努力？想把钱都赚够，一心跳广场舞曲去。
 **/
public class RemotePayClientImpl {

    public static String sendRequestPay(PayReciveModel payReciveModel){
        String url = "https://gateway.xddpay.com";
        Map<String, String> paramMap = new HashMap<>();
        paramMap.put("order_no",payReciveModel.getOrder_no());
        paramMap.put("subject",payReciveModel.getSubject());
        paramMap.put("pay_type",String.valueOf(payReciveModel.getPay_type()));
        paramMap.put("money",payReciveModel.getMoney());
        paramMap.put("app_id",payReciveModel.getApp_id());
        paramMap.put("extra",payReciveModel.getExtra());
        paramMap.put("sign",payReciveModel.getSign());

        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        String param = "";
        Iterator<String> it = paramMap.keySet().iterator();

        while (it.hasNext()) {
            String key = it.next();
            param += key + "=" + paramMap.get(key) + "&";
        }
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("content-type","application/x-www-form-urlencoded");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println(e);
        }
        // 使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

}
